Rare rocks & minerals
Rare rocks and minerals occur in only a handful of localities worldwide, or in such small quantities that good specimens command serious money. These are the trophy pieces of cabinet collectors.
Showing 1561–1680 of 4900 rare entries (page 14 of 41).
Gatumbaiteraremineral · Mohs 3.5white, colorless
Gaudefroyiteraremineral · Mohs 5.5-6black, brownish-black- No imageGaultiteraremineral · Mohs 3.5colorless, white, pale yellow
Gauthieriteraremineral · Mohs 2-3yellow, orange-yellow
Gayiteraremineral · Mohs 4yellowish-brown, brown, reddish-brown- No imageGazeeviteraremineral · Mohs 3.5colorless, white
Gearksutiteraremineral · Mohs 2-3white, colorless, grayish- No imageGebharditeraremineral · Mohs 2-3yellow, yellowish-green
Geeriteraremineral · Mohs 1.5-2black, gray
Geffroyiteraremineral · Mohs 3-4white, gray- No imageGeigeriteraremineral · Mohs 3-4colorless, white, pale pink
Geikieliteraremineral · Mohs 5-6red, brownish-red, black- No imageGelosaiteraremineral · Mohs 2yellow, yellow-green
Geminiteraremineral · Mohs 2emerald green, grass green- No imageGengenbachiteraremineral · Mohs 2colorless, white
Genkiniteraremineral · Mohs 4pinkish-cream, brownish-pink- No imageGenplesiteraremineral · Mohs 3.5colorless, white
Genthelviteraremineral · Mohs 6-6.5pink, red, yellow
Geocroniteraremineral · Mohs 2.5lead-gray, grayish-blue
Georgbarsanoviteraremineral · Mohs 5-6yellow, brown- No imageGeorgbokiiteraremineral · Mohs 3-4dark red, brownish-red
- No imageGeorge-erickseniteraremineral · Mohs 3-4yellow, pale yellow
Georgechaoiteraremineral · Mohs 4colorless, white
Georgeiteraremineral · Mohs 2-3blue, pale blue, greenish blue- No imageGeorgerobinsoniteraremineral · Mohs 2red, orange-red
Georgiadesiteraremineral · Mohs 3yellow, yellowish-white, colorless
Gerasimovskiteraremineral · Mohs 3-4brown, yellowish-brown, yellow
Gerdtremmeliteraremineral · Mohs 3yellow, brownish-yellow- No imageGerenite-(Y)raremineral · Mohs 3.5yellow, brownish-yellow, pale yellow
Gerhardtiteraremineral · Mohs 2emerald-green, dark green, yellow-green
Germaniteraremineral · Mohs 4reddish-brown, grayish-pink- No imageGermanocolusiteraremineral · Mohs 3-4pinkish-brown, brown
Gerstleyiteraremineral · Mohs 1.5-2red, orange, brown
Gerstmanniteraremineral · Mohs 6pink, white- No imageGeschieberiteraremineral · Mohs 2-2.5white, colorless, pale yellow
Getchelliteraremineral · Mohs 1.5-2dark red, orange-red- No imageGeversiteraremineral · Mohs 5.5white, silver-white
- No imageGhiaraiteraremineral · Mohs 2colorless, white
Giacovazzoiteraremineral · Mohs 2orange, reddish-orange
Gianellaiteraremineral · Mohs 3-3.5yellow, orange-yellow
Giesseniteraremineral · Mohs 3.5lead-gray, blackish-gray
Gilaliteraremineral · Mohs 2.5blue, pale blue, turquoise
Gillarditeraremineral · Mohs 2green, bright green
Gillespiteraremineral · Mohs 4red, bright red
Gillulyiteraremineral · Mohs 1.5-2dark red, brownish-red
Gilmariteraremineral · Mohs 3green, yellowish-green- No imageGiniiteraremineral · Mohs 3.5dark green, brownish green
Ginoriteraremineral · Mohs 3white, colorless
Giorgiositeraremineral · Mohs 2white
Giraudite-(Zn)raremineral · Mohs 3-4gray, black- No imageGirvasiteraremineral · Mohs 3colorless, white, pale yellow
Gittinsiteraremineral · Mohs 5white, colorless, pale yellow
Giuseppettiteraremineral · Mohs 5-6colorless, white, pale yellow- No imageGjerdingenite-Cararemineral · Mohs 5yellow, brown, orange
Gjerdingenite-Feraremineral · Mohs 5yellow, brown, orange-brown- No imageGjerdingenite-Mnraremineral · Mohs 5brown, yellow-brown, red-brown
- No imageGjerdingenite-Nararemineral · Mohs 5yellow, brown, orange
Gladiteraremineral · Mohs 2.5-3lead-gray- No imageGladiusiteraremineral · Mohs 3.5colorless, white
- No imageGladkovskyiteraremineral · Mohs 3-3.5dark brown, black
- No imageGlagoleviteraremineral · Mohs 2-3white, colorless, pale yellow
Glaucoceriniteraremineral · Mohs 2pale blue, sky blue, bluish white
Glaucochroiteraremineral · Mohs 6pink, pale brown, colorless
Glaucodotraremineral · Mohs 5tin-white, silver-white, gray
Glaukosphaeriteraremineral · Mohs 3green, dark green- No imageGlikiniteraremineral · Mohs 2white, colorless
Glucineraremineral · Mohs 4colorless, white- No imageGlushinskiteraremineral · Mohs 2white, colorless
Gmelinite-Kraremineral · Mohs 4.5white, colorless, yellow
Gobbinsiteraremineral · Mohs 4white, colorless, yellowish
Gobeliniteraremineral · Mohs 3yellow, orange-yellow
Godlevskiteraremineral · Mohs 3.5-4yellow, bronze-yellow
Godovikoviteraremineral · Mohs 2colorless, white
Goedkeniteraremineral · Mohs 4-5yellow, colorless
Goldfielditeraremineral · Mohs 3-3.5steel-gray, iron-black
Goldichiteraremineral · Mohs 2.5white, pale yellow
Goldmaniteraremineral · Mohs 6.5-7dark green, brownish green, black- No imageGoldquarryiteraremineral · Mohs 3white, colorless
- No imageGoldschmidtiteraremineral · Mohs 3.5silver-white
Golysheviteraremineral · Mohs 5-6pink, reddish-brown
Gonyeriteraremineral · Mohs 2-3yellow, yellowish-brown, brown
Goosecreekiteraremineral · Mohs 4colorless, white- No imageGorbunoviteraremineral · Mohs 3.5-4yellow, brownish yellow, orange
Gordaiteraremineral · Mohs 2white, colorless, pale blue
Gordoniteraremineral · Mohs 3.5colorless, white, pale yellow
Görgeyiteraremineral · Mohs 3.5colorless, white, yellowish
Gormaniteraremineral · Mohs 4blue, greenish-blue
Gortdrumiteraremineral · Mohs 3.5black, brown- No imageGoryainoviteraremineral · Mohs 4colorless, white
- No imageGottardiiteraremineral · Mohs 4colorless, white, pale yellow
Gottlobiteraremineral · Mohs 5-5.5yellowish-brown, brown, dark brown
Götzeniteraremineral · Mohs 5-6yellow, colorless, white
Goudeyiteraremineral · Mohs 3-4yellow, yellowish-green, bright green
Goweriteraremineral · Mohs 3white, colorless
Graemiteraremineral · Mohs 2.5green, yellowish-green
Graeseriteraremineral · Mohs 5.5-6black
Graftoniteraremineral · Mohs 5salmon-pink, brown, reddish-brown- No imageGraftonite-(Ca)raremineral · Mohs 5pinkish-brown, brown, flesh-red
- No imageGraftonite-(Mn)raremineral · Mohs 5salmon-pink, brownish-red, brown
Gramaccioliite-(Y)raremineral · Mohs 5-6black- No imageGrandaiteraremineral · Mohs 6.5-7.5brown, reddish-brown
Grandidieriteraremineral · Mohs 7.5blue-green, bluish-green, green- No imageGrandreefiteraremineral · Mohs 2.5colorless, white, pale yellow
Grandviewiteraremineral · Mohs 2pale green, white
Grantsiteraremineral · Mohs 2-3yellow, yellow-orange, brown- No imageGraţianiteraremineral · Mohs 3-3.5gray, black
Gratoniteraremineral · Mohs 2.5lead-gray, dark gray
Grattarolaiteraremineral · Mohs 6dark red, reddish-brown- No imageGraulichite-(Ce)raremineral · Mohs 4yellow, yellowish-brown
Gravegliaiteraremineral · Mohs 2.5colorless, white
Grayiteraremineral · Mohs 4white, yellowish, gray- No imageGrechishcheviteraremineral · Mohs 2dark red, brownish-red
Green Garnetraregemstone · Mohs 6.5-7.5green, yellow-green, emerald-green
Greenockiteraremineral · Mohs 3-3.5yellow, orange, brown- No imageGreenwooditeraremineral · Mohs 4dark green, blackish-green
Gregoryiteraremineral · Mohs 5white, gray, pale yellow
Greifensteiniteraremineral · Mohs 4-5pale green, yellow-green, brownish-green- No imageGrenmariteraremineral · Mohs 5-6yellow, brown
Griceiteraremineral · Mohs 2colorless, white- No imageGrigorieviteraremineral · Mohs 5-6black, dark brown
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